Debating the Devil

Behind the scenes as spiritual leaders debate the existence of Satan.

Making of the 'Nightline Face-Off'

In his opening statement, Deepak Chopra said, "Healthy people do not have any need for Satan. Healthy people need to confront their own issues, understand themselves and move towards the direction of compassion, creativity, understanding, context, insight, inspiration, revelation and understanding that we are part of an ineffable mystery." (Karson Yiu/ABC News)